EP2137833A2 - Réseaux et dispositifs de télécommunications - Google Patents
Réseaux et dispositifs de télécommunicationsInfo
- Publication number
- EP2137833A2 EP2137833A2 EP08719089A EP08719089A EP2137833A2 EP 2137833 A2 EP2137833 A2 EP 2137833A2 EP 08719089 A EP08719089 A EP 08719089A EP 08719089 A EP08719089 A EP 08719089A EP 2137833 A2 EP2137833 A2 EP 2137833A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- access point
- power level
- output power
- mobile terminal
- parameter measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000005259 measurement Methods 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 19
- 238000012360 testing method Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 2
- 230000003362 replicative effect Effects 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 description 14
- 210000004271 bone marrow stromal cell Anatomy 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 241000760358 Enodes Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 101150041491 MSC6 gene Proteins 0.000 description 1
- 101100078001 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) MSC2 gene Proteins 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/283—Power depending on the position of the mobile
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/27—Monitoring; Testing of receivers for locating or positioning the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
- H04B17/327—Received signal code power [RSCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/32—Hierarchical cell structures
Definitions
- the coverage area of a mobile telecommunications network is divided into a plurality of cells, each of which is served by a respective base station.
- the call In order to allow a mobile terminal to maintain a call when the mobile terminal moves outside the coverage area of a cell, the call must be switched to an alternative cell automatically. The call must be routed to the new cell before handover can be effected whilst maintaining the connection with the old cell until the new connection is known to have succeeded.
- the connection 23 between the access point 20 and the core network 12 may use the PSTN telephone network.
- a DSL cable connection connects the access point 20 to the PSTN network (a backhaul connection).
- the bandwidth of the cable connection between the access point and the telephone exchange is shared with multiple other users (typically between 20 and 50 other users).
- the access point 20 may be connected to the core network 12 by means other than a DSL cable and the PSTN network.
- the access point 20 may be connected to the core network 12 by a dedicated cable connection that is independent of the PSTN, or by a satellite connection between the access point 20 and the network core 12.
- this output power level is taken as the power used by the Common Pilot Channel (CPlCH).
- CPlCH Common Pilot Channel
- it is the power output by the CP ⁇ CH that is dynamically determined.
- CPICH_Ec/Io is the ratio of the average power of the CPICH, to the total signal power.
- the distance parameter need not be solely based upon actual distance from the AP. but may also take into account other environmental factors, such as interference from macro networks and degradation of the coverage due Io wall penetration, ⁇ n other words, a clear line of sight distance of D1 will require less AP output power than a distance of D1 through a thick wall.
- the AP could track statistics for different times of the day and different days to ensure that the appropriate power usage was based upon more detailed measurements.
- the appropriate maximum and minimum AP power levels could also be based upon the received power from the macro network.
- the levels could simply be set by the operator as fixed values.
- P__CPICH transmitted by the AP Hub while it remains active.
- the CPICH coverage should not be reduced below the minimum value so as to allow other UEs to move into the cell, and in order to provide a minimum coverage level.
- the power range can be an extended range when there are no UEs in the cell making use of the AP. but reduced in size when a user becomes active to ensure that no more than the minimum required power for the service is used.
- the UE is then moved back closer towards the AP to a distance D3. which is mbetween Dl and D2. The UE then stops deceasing the distance, and commences moving further away to distance D4, which is beyond distance
- test mode may be implemented at initialisation of the AP and/or on demand from the subscriber.
- the subscriber preferably initiates the test mode, such as by pushing a start button on the AP.
- a visual indicator is provided to show that the test mode is active.
- the AP will generate a "fake" network with predetermined parameters, such as the Network Code, Pilot Power and selected Absolute Radio Frequency Channel Number (AFRCN).
- the user then involves their UE by initiating a network search mode to find the "take” network. Once located, the user selects the network, which attaches the UE to the AP in test mode.
- the user then is able to survey their environment, such as by walking about different areas of their premises, in order to determine if and where the AP is providing coverage.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
La présente invention concerne un réseau mobile de télécommunications GSM, UMTS ou LTE. Outre le réseau d'accès radio classique comprenant les stations de base (3), au moins un point d'accès supplémentaire (20) peut être proposé. Un point d'accès (20) est généralement connecté au noyau (12) du réseau par une connexion à large bande de transport IP. Le point d'accès (20) est conçu pour être considéré comme une station de base classique par le terminal mobile (1). Cette invention porte également sur des moyens qui permettent au point d'accès d'ajuster dynamiquement la puissance de sortie par son CPICH en liaison à un ou plusieurs utilisateurs. En d'autres termes, plus la distance entre un utilisateur et le point d'accès est grande, meilleure est la puissance de sortie.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0706781.2A GB0706781D0 (en) | 2007-04-05 | 2007-04-05 | Telecommunications networks and devices |
GB0708116A GB2448194A (en) | 2007-04-05 | 2007-04-26 | Telecommunications networks and devices |
PCT/GB2008/050244 WO2008122824A2 (fr) | 2007-04-05 | 2008-04-04 | Réseaux et dispositifs de télécommunications |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2137833A2 true EP2137833A2 (fr) | 2009-12-30 |
Family
ID=38091010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08719089A Withdrawn EP2137833A2 (fr) | 2007-04-05 | 2008-04-04 | Réseaux et dispositifs de télécommunications |
Country Status (5)
Country | Link |
---|---|
US (1) | US9072061B2 (fr) |
EP (1) | EP2137833A2 (fr) |
CN (1) | CN101711460B (fr) |
GB (2) | GB0706781D0 (fr) |
WO (1) | WO2008122824A2 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2114021B1 (fr) * | 2008-04-29 | 2017-08-23 | Alcatel Lucent | Contrôle de station de base |
US8953620B2 (en) * | 2008-07-17 | 2015-02-10 | T-Mobile Usa, Inc. | System and method for selectively provisioning telecommunications services between an access point and a telecommunications network using a subscriber identifier |
CN101790229B (zh) * | 2009-01-22 | 2014-02-05 | 中兴通讯股份有限公司 | 一种家庭基站导频功率的控制方法和系统 |
US8189548B2 (en) * | 2009-03-06 | 2012-05-29 | T-Mobile Usa, Inc. | Authorizing access to telecommunications networks for mobile devices, such as mobile devices accessing networks via non-traditional entry points |
US8792886B2 (en) | 2009-04-23 | 2014-07-29 | Qualcomm Incorporated | Femto node power adjustment using requests for registration |
ES2361893B1 (es) | 2009-08-07 | 2012-05-04 | Vodafone España, S.A.U. | Método y sistema para seleccionar din�?micamente el alcance de celda de una estación base. |
CN101867942B (zh) * | 2010-06-10 | 2013-01-30 | 北京星网锐捷网络技术有限公司 | 动态调整无线接入点覆盖范围的方法及装置 |
US9198143B2 (en) | 2012-03-30 | 2015-11-24 | Alcatel Lucent | Method and apparatus for improved management of service-impacting events |
CN103596215B (zh) * | 2012-08-13 | 2018-03-23 | 中国移动通信集团设计院有限公司 | 第一网络侧设备、第二网络侧设备和wlan覆盖范围识别方法 |
US9042935B2 (en) * | 2013-06-21 | 2015-05-26 | Microsoft Technology Licensing, Llc | Radio channel communication |
CN105228165B (zh) * | 2015-10-16 | 2019-02-15 | 中国联合网络通信集团有限公司 | 一种ap覆盖范围调整方法及装置 |
ITUB20154969A1 (it) * | 2015-10-16 | 2017-04-16 | Prisma Telecom Testing S R L | Apparecchiatura di test di una rete di telecomunicazioni e metodo per testare una rete di telecomunicazioni |
CN107396430B (zh) * | 2016-05-17 | 2021-07-02 | 中兴通讯股份有限公司 | 功率的调整方法及装置 |
Citations (3)
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EP1063805A2 (fr) * | 1999-06-21 | 2000-12-27 | Lucent Technologies Inc. | Procédé de reduction des données de service pour l'allocation des ressources de transmission dans un système de communication sans fil |
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US20030103470A1 (en) * | 2001-12-05 | 2003-06-05 | Yafuso Byron Y. | System and method for adjusting quality of service in a communication system |
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-
2007
- 2007-04-05 GB GBGB0706781.2A patent/GB0706781D0/en not_active Ceased
- 2007-04-26 GB GB0708116A patent/GB2448194A/en not_active Withdrawn
-
2008
- 2008-04-04 EP EP08719089A patent/EP2137833A2/fr not_active Withdrawn
- 2008-04-04 US US12/450,649 patent/US9072061B2/en active Active
- 2008-04-04 WO PCT/GB2008/050244 patent/WO2008122824A2/fr active Application Filing
- 2008-04-04 CN CN200880018514.2A patent/CN101711460B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1063805A2 (fr) * | 1999-06-21 | 2000-12-27 | Lucent Technologies Inc. | Procédé de reduction des données de service pour l'allocation des ressources de transmission dans un système de communication sans fil |
US20020155854A1 (en) * | 2000-01-12 | 2002-10-24 | Vieri Vanghi | Mobile station assisted forward link open loop power and rate control in a CDMA system |
US20030103470A1 (en) * | 2001-12-05 | 2003-06-05 | Yafuso Byron Y. | System and method for adjusting quality of service in a communication system |
Also Published As
Publication number | Publication date |
---|---|
WO2008122824A3 (fr) | 2008-12-04 |
CN101711460A (zh) | 2010-05-19 |
GB0708116D0 (en) | 2007-06-06 |
GB2448194A (en) | 2008-10-08 |
US20110076998A1 (en) | 2011-03-31 |
GB0706781D0 (en) | 2007-05-16 |
WO2008122824A2 (fr) | 2008-10-16 |
US9072061B2 (en) | 2015-06-30 |
CN101711460B (zh) | 2016-11-09 |
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